| abstract |
FIELD: organic chemistry, microbiology, pharmacy. n SUBSTANCE: invention relates to new biologically active compounds. Invention describes a compound of the formula (1): n wherein R 1 means carbon chain with 2-30 carbon atoms that can be linear, branched, saturated and can be substituted once or twice with the following groups: -OH, =O, -(C 1 -C 6 )-alkyl or the group: n ; R 2 means (C 1 -C 6 )-alkyl; E means phosphorus atom (P); each X 1 , X 2 and X 3 means independently of one another -O- in its all stereochemical forms and mixtures of these forms taken in any ratio, and its physiologically acceptable salts also. Also, invention describes a method for preparing cyclipostins and the strain Streptomyces HAG 004107, DSM 13381 as a producer of cyclipostins. Invention provides preparing new compounds possessing valuable biological properties. n EFFECT: improved preparing method, valuable properties of substances. n 12 cl, 9 tbl, 21 ex |